linux-kernel - Re: [PATCH v2 2/2] locking/pvqspinlock, hv: Enable PV qspinlock for Hyper-V

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Message-ID: <201809260945.Vsi71cbx%fengguang.wu@intel.com>
Date:   Wed, 26 Sep 2018 10:15:18 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Yi Sun <yi.y.sun@...ux.intel.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org, x86@...nel.org,
        tglx@...utronix.de, chao.p.peng@...el.com, chao.gao@...el.com,
        isaku.yamahata@...el.com, michael.h.kelley@...rosoft.com,
        tianyu.lan@...rosoft.com, Yi Sun <yi.y.sun@...ux.intel.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>
Subject: Re: [PATCH v2 2/2] locking/pvqspinlock, hv: Enable PV qspinlock for
 Hyper-V

Hi Yi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.19-rc5 next-20180925]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Yi-Sun/Enable-PV-qspinlock-for-Hyper-V/20180921-234519
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   arch/x86/kernel/cpu/mshyperv.o: In function `hv_smp_prepare_boot_cpu':
>> mshyperv.c:(.init.text+0x15): undefined reference to `hv_init_spinlocks'

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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